random variable

英 [ˈrændəm ˈveəriəbl]

美 [ˈrændəm ˈveriəbl]

网络  随机变量; 随即变量; 隨機變數; 随机变数; 变数

计算机化学

英英释义

noun

• a variable quantity that is random
  Synonym:variatevariantstochastic variablechance variable

双语例句

• Its main theoretical base is the law of large numbers in the theory of probability, whose main means is the sampling of random variable.
  它的主要理论基础是概率论中的大数定理，其主要手段是随机变量的抽样。
• In the paper, we discuss a new discrete risk model perturbed by diffusion The premium rate in this risk model is a random variable.
  建立了一类带干扰离散风险模型，并且保费收取率为随机变量。
• An estimator is a random variable.
  估计量是一个随机变量。
• Instead of this single value, a random variable has a function that describes the likelihood of values for the estimate and is called the variable's probability distribution.
  取代单个值，随机变量拥有描述估计值可能性的函数，该函数称为变量的概率分布。
• The weighted mean of the random variable is the expected value.
  随机变量的加权平均值是期望值。
• Asymptotic Distribution of Chi-square Random Variable with Random Degree of Freedom
  带有随机自由度的卡方随机变量的渐近分布
• A random variable is a function that takes values based on a probability distribution.
  随机变量是一个根据概率分布取值的函数。
• Cumulate probability distribution of trials of random variable of uniform distribution.
  随机变数多次试验结果之累积机率为均匀分布。
• A stochastic scheduling model for hydrothermal power systems is presented based on fuzzy chance constrained programming, taking reservoir inflow and water level for a random variable.
  针对水火电力系统运行调度中所包含的不同种类的不确定量，提出了一种基于模糊随机机会约束规划的短期水火电力系统多目标优化调度模型。
• The disk structural reliability is calculated by use of Monte Carlo Simulation ( MCS) techniques and Response Surface Method ( RSM). The random variable sensitivity is also analyzed.
  分别采用蒙特卡罗法和响应面法计算了轮盘结构可靠度，并对其随机性的影响因素进行了灵敏度分析。